When to Plant Edamame in Brooks County, TX
Edamame are soybeans harvested at the immature green stage for a sweet, nutty snack. They are high in protein and easy to grow in warm climates.
Brooks County, Texas is in USDA Zone 9a. The average last spring frost is February 10 and the first fall frost is December 13, giving you a growing season of approximately 306 days.
At an elevation of 2,752 feet, Brooks County receives approximately 64.5 inches of rainfall annually with predominantly loam soil. Summer highs average 104°F, so Edamame may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Edamame root diseases.
Brooks County Soil Profile
Soil Type
Loam
Soil pH
6.7-7.2
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Edamame Planting Timeline — Brooks County, TX
Edamame Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | February 17 | Feb 17 – Mar 10 |
| Harvest | May 5 | May 5 – Jun 16 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Direct Sow |
| March | Direct Sow |
| April | — |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
75–100 days
Soil pH
6 – 7
USDA Zone
Zone 9a
Growing Season
306 days
Growing Tips for Brooks County
Direct sow after soil is warm. Do not over-fertilize with nitrogen. Harvest when pods are plump and bright green but before they start to yellow. Steam or boil pods before eating.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Edamame in Other Locations
Frequently Asked Questions
When should I plant Edamame in Brooks County, TX?
Brooks County is in Zone 9a with an average last frost of February 10. Plan your Edamame planting based on this frost date — see the calendar above for exact timing.
What planting zone is Brooks County, TX?
Brooks County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 10 and first fall frost is December 13.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Brooks County gardeners in Zone 9a organize planting dates, track what's growing, and never miss a planting window.
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